A rational number a/b is greater than c/d if (a) ad > bc (b) ad < bc (c) ad = bc (d) ad ≠ bcWhich expression shows the multiplicative identity of rational numbers?
a) a × 0 = 0 × a = 0, where a is a rational number.
b) a × 1 = 1 × a = a, where a is a rational number.
c) a × b = b × a, where a and b are rational numbers.
d) a × (b × c) =(a × b) × c, where a, b, and c are rational numbers
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Answer:
b.a × 1 = 1 × a = a, where a is a rational number.
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I think so may be
a+b(c-a) /+a-b
o
a=26
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